135518663 has 12 divisors (see below), whose sum is σ = 158597712. Its totient is φ = 115456320.

The previous prime is 135518633. The next prime is 135518683. The reversal of 135518663 is 366815531.

135518663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-135518663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135518633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (13216476).

Almost surely, 2^135518663 is an apocalyptic number.

135518663 is a deficient number, since it is larger than the sum of its proper divisors (23079049).

135518663 is a wasteful number, since it uses less digits than its factorization.

135518663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16742 (or 16735 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 135518663 is about 11641.2483437130. The cubic root of 135518663 is about 513.6489083460.

The spelling of 135518663 in words is "one hundred thirty-five million, five hundred eighteen thousand, six hundred sixty-three".